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- // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
- // Howard Hinnant and John Maddock 2000.
- // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
- // Use, modification and distribution are subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt).
- //
- // See http://www.boost.org/libs/type_traits for most recent version including documentation.
- // Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
- // is_member_pointer based on the Simulated Partial Specialization work
- // of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
- // http://groups.yahoo.com/group/boost/message/5441
- // Some workarounds in here use ideas suggested from "Generic<Programming>:
- // Mappings between Types and Values"
- // by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
- #ifndef BOOST_TT_IS_SAME_HPP_INCLUDED
- #define BOOST_TT_IS_SAME_HPP_INCLUDED
- #include <boost/type_traits/integral_constant.hpp>
- namespace boost {
- template <class T, class U> struct is_same : public false_type {};
- template <class T> struct is_same<T,T> : public true_type {};
- #if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
- // without this, Borland's compiler gives the wrong answer for
- // references to arrays:
- template <class T> struct is_same<T&, T&> : public true_type{};
- #endif
- } // namespace boost
- #endif // BOOST_TT_IS_SAME_HPP_INCLUDED
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